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The government, with support from organisations such as UNICEF and IRCSA (International Rainwater Catchment Systems Association) started a programme to construct one million rainwatertanks in Brazil.
Practica foundation is testing various options for low-cost storage and groundwater recharge like the "Reed cement tank" and the "Tube recharge"
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[[Image:Underground_tank_icon.png|right]]
Where access to groundwater is limited, [[Rainwater harvesting|rainwater harvesting]] in underground tanks can be an effective and low-cost solutionalternative. Water stored in the rainy wet season can be used in the dry season and lifted from the tank with a [[rope pump ]] or with a FlexiEmas [[Deep well pump (see PVC pumps)|deep well pump]], which can elevate water up to 30 m.
[[Image:Underground_tank.PNG|thumb|right|150px|Underground storage of rainwater in Bolivia ]]
For example 3500 liter.
== Costs ==
Material costs for EMAS tanks consist of sand and four 50 kg bags of cement for each tank.
== Examples and initiatives ==
The Brazilian government, with support from organisations such as UNICEF and IRCSA (International Rainwater Catchment Systems Association) started a programme to construct one million rainwatertanks in Brazil.
Practica foundation is testing various options for low-cost storage and groundwater recharge like the "Reed cement tank" and the "Tube recharge".
== External links ==
